Torque sensor

  • 08-Sep-2009 07:20 EDT
ABB Torductor.jpg

The Torductor-S torque sensor from ABB provides consistent noncontact torque measurement. Designed for continuous use, the sensor is suited for applications requiring reliability and accuracy. With the torque sensor in the drivetrain, direct real-time data can be obtained from engine and transmission. The sensor is based on the magnetostrictive property of the load-carrying shaft, which is surrounded by a stationary coil arrangement. The sensor is excited by a current in the primary winding, and any change in permeability is picked up by the secondary winding, giving an output signal directly indicative of the load state of the shaft. It measures directly on the load-carrying shaft and can present a signal of the current torque in the drivetrain. Torductor-S is suitable for closed-loop control, diagnosis of future combustion concepts and advanced transmissions, and condition-based maintenance.

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